no emotion whatsoever. i -- i don't know how to feel. >> reporter: at schools across the united states, those feelings of sorrow turned into anxie anxiety. 20 miles from newtown, a suspicious person at a train station triggered a lockdown of all schools. for some teachers including chris mcallister in arlington, texas, the lockdowns were self-imposed. >> that door closes, i know it's locked. i don't even have to second guess. i put a little piece of paper on my window that normally i would keep it to the side. >> reporter: sandy hook elementary school remains closed. crews are renovating an old school nearby. it will be ready whenever the students are. >> as a mom, i know i could never send my kids back to that school. >> reporter: julie pokrinchak's daughter olivia was one of the 6-year-old victims. she was looking forward to watching olivia, who loved musical theater, play an angel in a church play saturday. instead, olivia's funeral will be held at the same church, and then she'll be buried on friday. >> i'm hoping that other towns are going to open up their schools and let the kids go the
